other countries' dispute what canada is saying. they say the northwest passage should be free to shipping. there are some disagreements. it has a sense of the gold rush about it. remote areas like this are coming under scrutiny like never before. bbc news, in the hudson bay, in canada. >> on this day 30 years ago, iraq invaded its neighbor iran and started a bitter eight-year war, which devastated both countries and destabilize the area. the conflict started over a border dispute, but there was a longstanding rivalry. >> the desert of northern iran, one of the points for the incursion into iran of saddam hussein in 1980. 22 years after the war ended, i have come back to the region where most of the fighting took place between the neighbors. this was one of the areas constantly under indian fire. -- constantly under fire. >> iranian and iraqi soldiers. i do not know. how they survived. and, believe me, i have difficulty to believe. >> this man was 19 when he was called to join the iraqi army. he was sent straight to the front line.